I need a laser cut part for Printrbot Jr. V2. My Z axis primary assembly is broken (part that holds Y and Z assembly). I tried to cut out the part using a laser cutter and drawings provided by Printrbot, but the tube failed in the machine that I was using. I had to pay $180 for 1.5 hours of time at my local Hackerspace. I am wondering if someone can laser cut the part for me.